[help] sql problem ?

my server was hang this morning and i have to ask noc to reboot it, i am not sure what was the problem as when its up and i try check it on log but i dont find anything
i get lot of these messages on /var/log/messages


Apr 23 12:33:43 taurus kernel: audit(1145770446.960:0): avc: denied { append } for pid=4229 exe=/usr/sbin/mysqld path=/var/lib/mysql/taurus-bin.008 dev=sda2 ino=389500 scontext=root [help] sql problem ?ystem_r:mysqld_t tcontext=root [help] sql problem ?bject_r:var_lib_t tclass=file
Apr 23 12:33:43 taurus kernel: audit(1145770446.960:0): avc: denied { getattr } for pid=4229 exe=/usr/sbin/mysqld path=/var/log/mysqld.log dev=sda2 ino=1216880 scontext=root [help] sql problem ?ystem_r:mysqld_t tcontext=root [help] sql problem ?bject_r:var_log_t tclass=file
Apr 23 12:33:47 taurus kernel: audit(1145770450.590:0): avc: denied { read } for pid=4232 exe=/usr/sbin/mysqld name=phpbb_config.frm dev=sda2 ino=389806 scontext=root [help] sql problem ?ystem_r:mysqld_t tcontext=user_u [help] sql problem ?bject_r:var_lib_t tclass=file
Apr 23 12:33:47 taurus kernel: audit(1145770450.590:0): avc: denied { getattr } for pid=4232 exe=/usr/sbin/mysqld path=/var/lib/mysql/padmanab_phpb1/phpbb_config.MYI dev=sda2 ino=389807 scontext=root [help] sql problem ?ystem_r:mysqld_t tcontext=user_u [help] sql problem ?bject_r:var_lib_t tclass=file
what is this mean? i think the problem came from that error (not sure too), hope you mau help me.

thank you

 

 

 

 

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